Home / 3,660.85-5,049.59-2,167.66

Finding the Fourth Proportional to 3,660.85, 5,049.59 and 2,167.66

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Solution

The fourth proportional to 3,660.85, 5,049.59 and 2,167.66 is: 2,989.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.85 : 5,049.59 = 2,167.66 : x
  2. Step 2: Convert to fraction form
    3,660.85/5,049.59 = 2,167.66/x
  3. Step 3: Cross multiply
    3,660.85x = 5,049.59 × 2,167.66
  4. Step 4: Simplify right side
    3,660.85x = 10,945,801.93
  5. Step 5: Solve for x
    x = 10,945,801.93/3,660.85
  6. Step 6: Final answer
    x = 2,989.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.